1 /**********************************************************************
2 * Copyright (c) 2012, 2013 Ericsson
4 * All rights reserved. This program and the accompanying materials are
5 * made available under the terms of the Eclipse Public License v1.0 which
6 * accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * Bernd Hufmann - Initial API and implementation
11 **********************************************************************/
12 package org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.handlers
;
14 import java
.util
.Iterator
;
15 import java
.util
.List
;
17 import org
.eclipse
.core
.commands
.ExecutionException
;
18 import org
.eclipse
.core
.runtime
.IProgressMonitor
;
19 import org
.eclipse
.jface
.viewers
.ISelection
;
20 import org
.eclipse
.jface
.viewers
.StructuredSelection
;
21 import org
.eclipse
.linuxtools
.internal
.lttng2
.core
.control
.model
.TraceSessionState
;
22 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.ControlView
;
23 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.model
.impl
.TraceChannelComponent
;
24 import org
.eclipse
.linuxtools
.internal
.lttng2
.ui
.views
.control
.model
.impl
.TraceSessionComponent
;
25 import org
.eclipse
.ui
.IWorkbenchPage
;
29 * Command handler implementation to add contexts to a given channel and all of its events.
32 * @author Bernd Hufmann
34 public class AddContextOnChannelHandler
extends BaseAddContextHandler
{
36 // ------------------------------------------------------------------------
38 // ------------------------------------------------------------------------
40 // ------------------------------------------------------------------------
42 // ------------------------------------------------------------------------
45 public void addContexts(CommandParameter param
, List
<String
> contextNames
, IProgressMonitor monitor
) throws ExecutionException
{
46 if (param
instanceof ChannelCommandParameter
) {
47 TraceChannelComponent channel
= ((ChannelCommandParameter
)param
).getChannel();
48 channel
.addContexts(contextNames
, monitor
);
53 public boolean isEnabled() {
54 // Get workbench page for the Control View
55 IWorkbenchPage page
= getWorkbenchPage();
60 TraceChannelComponent channel
= null;
61 TraceSessionComponent session
= null;
62 ISelection selection
= page
.getSelection(ControlView
.ID
);
63 if (selection
instanceof StructuredSelection
) {
64 StructuredSelection structered
= ((StructuredSelection
) selection
);
65 for (Iterator
<?
> iterator
= structered
.iterator(); iterator
.hasNext();) {
66 Object element
= iterator
.next();
67 if (element
instanceof TraceChannelComponent
) {
68 // Add only if corresponding TraceSessionComponents is inactive and not destroyed
69 TraceChannelComponent tmpChannel
= (TraceChannelComponent
) element
;
70 session
= tmpChannel
.getSession();
71 if(session
.getSessionState() == TraceSessionState
.INACTIVE
&& !session
.isDestroyed()) {
78 boolean isEnabled
= (channel
!= null);
83 fParam
= new ChannelCommandParameter(session
, channel
);